// 省市区静态数据（备用）
const List<Map<String, dynamic>> staticAreaData = [
  {
    "code": "23",
    "name": "黑龙江省",
    "children": [
      {
        "code": "2301",
        "name": "哈尔滨市",
        "children": [
          {"code": "230102", "name": "道里区"},
          {"code": "230103", "name": "南岗区"},
          {"code": "230104", "name": "道外区"},
          {"code": "230108", "name": "平房区"},
          {"code": "230109", "name": "松北区"},
          {"code": "230110", "name": "香坊区"},
          {"code": "230111", "name": "呼兰区"},
          {"code": "230112", "name": "阿城区"},
        ]
      }
    ]
  },
  {
    "code": "11",
    "name": "北京市",
    "children": [
      {
        "code": "1101",
        "name": "市辖区",
        "children": [
          {"code": "110101", "name": "东城区"},
          {"code": "110102", "name": "西城区"},
          {"code": "110105", "name": "朝阳区"},
          {"code": "110106", "name": "丰台区"},
          {"code": "110107", "name": "石景山区"},
          {"code": "110108", "name": "海淀区"},
        ]
      }
    ]
  },
  {
    "code": "31",
    "name": "上海市",
    "children": [
      {
        "code": "3101",
        "name": "市辖区",
        "children": [
          {"code": "310101", "name": "黄浦区"},
          {"code": "310104", "name": "徐汇区"},
          {"code": "310105", "name": "长宁区"},
          {"code": "310106", "name": "静安区"},
          {"code": "310107", "name": "普陀区"},
          {"code": "310109", "name": "虹口区"},
        ]
      }
    ]
  },
  {
    "code": "44",
    "name": "广东省",
    "children": [
      {
        "code": "4401",
        "name": "广州市",
        "children": [
          {"code": "440103", "name": "荔湾区"},
          {"code": "440104", "name": "越秀区"},
          {"code": "440105", "name": "海珠区"},
          {"code": "440106", "name": "天河区"},
          {"code": "440111", "name": "白云区"},
        ]
      },
      {
        "code": "4403",
        "name": "深圳市",
        "children": [
          {"code": "440303", "name": "罗湖区"},
          {"code": "440304", "name": "福田区"},
          {"code": "440305", "name": "南山区"},
          {"code": "440306", "name": "宝安区"},
          {"code": "440307", "name": "龙岗区"},
        ]
      }
    ]
  }
];
